﻿<html>
<head>
    <meta charset="UTF-8">
    <link href="../static/assets/global/plugins/bootstrap/css/bootstrap.min.css" rel="stylesheet" type="text/css"/>
    <link href="../static/assets/global/css/components.css" rel="stylesheet" type="text/css"/>
    <link href="../static/assets/admin/pages/css/login.css" rel="stylesheet" type="text/css"/>
    <script src="../static/assets/global/plugins/jquery-1.11.0.min.js" type="text/javascript"></script>
</head>
<body class="login">
    <div class="content">
        <h3 class="form-title">商品详情</h3>
        <div id="promoStartDateContainer" class="form-group">
            <label style="color: blue" id="promoStatus" class="control-label"></label>
            <div>
                <label style="color: red" class="control-label" id="promoStartDate"/>
            </div>
        </div>
        <div class="form-group">
            <div>
                <label class="control-label" id="title"/>
            </div>
        </div>
        <div class="form-group">
            <label class="control-label">商品描述</label>
            <div>
                <label class="control-label" id="description"/>
            </div>
        </div>
        <div id="normalPriceContainer" class="form-group">
            <label class="control-label">价格</label>
            <div>
                <label class="control-label" id="price"/>
            </div>
        </div>
        <div id="promoPriceContainer" class="form-group">
            <label style="color: red" class="control-label">秒杀价格</label>
            <div>
                <label style="color: red" class="control-label" id="promoPrice"/>
            </div>
        </div>
        <div class="form-group">
            <div>
                <img style="width: 200px;height: auto" id="imgUrl"/>
            </div>
        </div>
        <div class="form-group">
            <label class="control-label">库存</label>
            <div>
                <label class="control-label" id="stock"/>
            </div>
        </div>
        <div class="form-group">
            <label class="control-label">销量</label>
            <div>
                <label class="control-label" id="sales"/>
            </div>
        </div>
        <div class="form-actions">
            <button class="btn blue" id="createorder" type="submit">
                下单
            </button>
        </div>
    </div>
</body>

<script>

    function getParam(paramName) {
        paramValue = "", isFound = !1;
        if (this.location.search.indexOf("?") == 0 && this.location.search.indexOf("=") > 1) {
            arrSource = unescape(this.location.search).substring(1, this.location.search.length).split("&"), i = 0;
            while (i < arrSource.length && !isFound) arrSource[i].indexOf("=") > 0 && arrSource[i].split("=")[0].toLowerCase() == paramName.toLowerCase() && (paramValue = arrSource[i].split("=")[1], isFound = !0), i++
        }
        return paramValue == "" && (paramValue = null), paramValue
    }

    var g_itemVo = [];
    jQuery(document).ready(function () {
        
        $("#createorder").on("click",function () {
            $.ajax({
                type:"POST",
                contentType:"application/x-www-form-urlencoded",
                url:"http:localhost:8080/order/createorder",
                data:{
                    "itemId":g_itemVo.id,
                    "amount":1,
                    "promoId":g_itemVo.promoId
                },
//                允许请求授信，可以共享session
                xhrFields:{withCredentials:true},
                success:function (data) {
                    if (data.status == "success"){
                        alert("下单成功");
                        window.location.reload();
                    }else{
                        alert("下单失败，原因为" + data.data.errMsg);
                        if(data.data.errCode == 20003){
                            window.location.href="login.html";
                        }
                    }
                },
                error:function (data) {
                    alert("下单失败，原因为" + data.responseText);
                }
            });
        })
        
        //获取商品详情
        $.ajax({
            type:"GET",
            url:"http:localhost:8080/item/getItem",
            data:{
                "id":getParam("id")
            },
//                允许请求授信，可以共享session
            xhrFields:{withCredentials:true},
            success:function (data) {
                if (data.status == "success"){
                    g_itemVo=data.data;
                    reloadDom();
                    setInterval(reloadDom, 1000);
                }else{
                    alert("获取信息失败，原因为" + data.data.errMsg);
                }
            },
            error:function (data) {
                alert("获取信息失败，原因为" + data.responseText);
            }
        });
    });

    function reloadDom() {
        $("#title").text(g_itemVo.title);
        $("#description").text(g_itemVo.description);
        $("#stock").text(g_itemVo.stock);
        $("#price").text(g_itemVo.price);
        $("#imgUrl").attr("src",g_itemVo.imgUrl);
        $("#sales").text(g_itemVo.sales);
        if (g_itemVo.promoStatus == 1){
            //秒杀活动还未开始
            //$("#promoStatus").text("活动即将开始");
            var startTime = g_itemVo.startDate.replace(new RegExp("-", "gm"), "/");
            startTime = (new Date(startTime)).getTime();
            var nowTime = Date.parse(new Date());
            var delta = (startTime - nowTime) / 1000;

            if (delta <= 0){
                //活动开始了
                g_itemVo.promoStatus = 2;
                reloadDom();
            }

            $("#promoStartDate").text("秒杀活动将于："+g_itemVo.startDate+"开始售卖  倒计时："+delta+"秒");
            $("#promoPrice").text(g_itemVo.promoPrice);

            $("#createorder").attr("disabled", true);
        }else if (g_itemVo.promoStatus ==2){
            $("#promoStartDate").text("秒杀正在进行中");
            $("#promoPrice").text(g_itemVo.promoPrice);
            $("#createorder").attr("disabled", false);
            $("#normalPriceContainer").hide();
        }
    }
</script>

</html>